The ICE X Line was developed with cutting-edge technology, achieving an impressive audio quality level with a frequency response of 5Hz to 22kHz. The ICE X 3001 offers 3000 Wrms in 1 channel at 1 Ohm. Due to its excellent frequency response, it is a great product for large projects, suitable for use with any speaker model from Subwoofers to Tweeters. It also features Bass Boost control @ 45Hz, a 100% aluminum chassis, and micro fans with automatic temperature activation. Technical Specifications Maximum Power 14.4v @ 1 Ohm: 3600 WRMS Maximum Power 14.4v @ 2 Ohms: 2400 WRMS Maximum Power 12.6v @ 1 Ohm: 3000 WRMS Maximum Power 12.6v @ 2 Ohms: 1800 WRMS Efficiency @ 2 Ohms: 82% Efficiency @ 1 Ohm: 75% Input Voltage: 9 - 15V Input Impedance: 100K Ohms THD+N: 1% Input Sensitivity: 110mV - 8V Signal-to-Noise Ratio: 82dB Frequency Response (Switch OFF): 5 to 22kHz (-3dBs) Frequency Response: 20 to 20kHz (-3dBs) Bass Boost @ 45Hz: Variable 0 to +18dBs HPF (High Pass Filter): 20 to 80Hz @ 12dB/octave Linkwitz-Riley LPF (Low Pass Filter): 80 to 20kHz @ 12dB/octave Linkwitz-Riley Recommended Fuse: 150 A Maximum Current (musical signal): 160 A Power Cables (minimum recommended): 21mm / 4 AWG Output Cables (minimum recommended): 2 x 4mm / 2 x 11 AWG Weight (Kg): 4.9 Height (mm): 60 Width (mm): 264 Depth (mm): 308 Differential Mode Input Micro Fans with Temperature-Activated System Thermal Protection Short Circuit Protection RCA Input Class D Amplifier Blue LED Indicator for Power Source and Amplifier ON Red LED Indicator for Output Distortion (Clipping), Short Circuit, and Thermal Protection Yellow LED Indicator for Battery Voltage Below Specification